document.write( "Question 1152664: What is the degree - measure of the least positive angle x such that log(base 2)cos(x) = -1/2 \n" ); document.write( "

Algebra.Com's Answer #774727 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"log%282%2Ccos%28x%29%29+=+-1%2F2\"$
\n" ); document.write( " $\"cos%28x%29+=+2%5E-0.5\"$ --- fractional exponents don't render well
\n" ); document.write( " $\"cos%28x%29+=+1%2Fsqrt%282%29+=+sqrt%282%29%2F2\"$
\n" ); document.write( "x = 45 degs\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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